Clarify that request.origin cannot be "client" at certain points #1776
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Previously, the code implicitly guaranteed that a requests origin could not be "client" after Step 10 of https://fetch.spec.whatwg.org/#concept-fetch. Other algorithms then simply relied on this fact. This is confusing. Instead, we now explicitly assert that the origin is not client whereever we need it. Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
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Previously, the code implicitly guaranteed that a requests origin could not be "client" after Step 10 of
https://fetch.spec.whatwg.org/#concept-fetch.
Other algorithms then simply relied on this fact. This is confusing. Instead, we now explicitly assert that the origin is not client whereever we need it.
This closes #1773
(See WHATWG Working Mode: Changes for more details.)
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